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I have developed an app which requires some container to be drawn based of height & width of device so I have used 

[Ext.Viewport.getWindowHeight()][1] &     
Ext.Viewport.getWindowWidth()

at few places in my code and it was working fine until I did sencha app build package. When I tried to open the packaged app I got this error:

Uncaught TypeError: Cannot call method 'getWindowHeight' of undefined       app.js:1 (anonymous function)

Similar issue was raised in Sencha forum in past but it is unanswered: http://www.sencha.com/forum/showthread.php?240494-Call-method-getWindowHeight-of-undefined

As per Sencha docs : Ext.Viewport is a instance created when you use Ext.setup and if you use Ext.onReady, this instance of Ext.Viewport will not be created. But in my app.js I am using Ext.application() not Ext.setup or Ext.onReady,

is that the reason singleton is not created? If yes how can I fix it?

I am using Sencha Cmd Ver 3.0.2.288 & Sencha Touch ver 2.1.1

Tejas
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ThinkFloyd
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1 Answers1

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my solution to the problem was using low-level javascript instead of Sencha's framework.

as described here: http://www.howtocreate.co.uk/tutorials/javascript/browserwindow

in my case, using

window.innerHeight

was enough as my users won't be using IE.

Guy Dubrovski
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